NUT, NYLOCK, 1/2-13

The Genie 6198GT is a genuine OEM Nylock Nut, 1/2-13 designed for an exceptionally wide range of Genie and Terex equipment, including GS scissor lifts, S and Z series boom lifts, GTH telehandlers, light towers, and vertical mast and personnel lift products. As a direct OEM replacement sourced from Genie, this nut matches the original hardware specification used on the production line, ensuring a proper, consistent fit wherever it's needed across the equipment fleet. From AL and TML light towers to QS stock pickers, GR Runabouts, and DPL personnel lifts, this single fastener covers an extensive cross-section of Genie and Terex machines. Keep verified spares on hand to support fast, confident maintenance across multiple equipment types.

Key Features

• Genuine OEM Nylon Insert Integrity — The nylon locking insert meets the original torque-retention spec Genie requires, preventing loosening under vibration and dynamic load cycles common to aerial and material-handling equipment.
• Thread-Ready Drop-In Replacement — Cut to 1/2-13 UNC thread pitch to match the original fastener, this nut installs directly onto existing hardware without reworking the mating bolt or stud.
• Broad Fleet Coverage — Fits Genie GS scissor lifts, S and Z series boom lifts, GTH telehandlers, TZ and TMZ trailer booms, AL, RL, and TML light towers, and a wide range of vertical mast lifts and material-handling products — one part number, many machines.
• Vibration Resistance That Protects Structural Connections — A missing or underspec fastener on an aerial or lifting machine can allow critical joints to loosen progressively; the nylon insert in this nut resists back-off and maintains clamping force through normal machine operation.
• Safety-Critical Hardware on Aerial Equipment — Fasteners used in structural, boom, platform, and chassis assemblies on elevated work platforms are integral to machine integrity at height; using the correct OEM-grade nut supports safe operation within Genie's design intent.

A Nylock nut — also called a nylon-insert lock nut — uses a collar of nylon bonded inside the top of the nut to grip the bolt thread and resist loosening caused by vibration, shock loads, or repeated movement. Unlike standard hex nuts, the nylon insert creates friction against the thread without damaging it, allowing the fastener connection to be torqued correctly and remain secure under the dynamic conditions that aerial lifts, telehandlers, and light towers experience in regular service. When a lock nut is worn, cross-threaded, or replaced with an incorrect grade, clamping force at that joint can degrade over time, potentially allowing structural or mechanical connections to work loose — making correct fastener selection a straightforward but important part of any service or repair procedure.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.